def enrich_item(item_id):
item = db_session.query(Item).get(item_id)
return {
'id': item.id,
'data': item.data,
'created_by': item.created_by,
'created_ts': item.created_ts,
'updated_ts': item.updated_ts
}
def add_leader_to_follower_feed(follower_id, leader_id):
"""
Get all leader items and add to follower's feed
"""
feed = FEED_ID % (follower_id,)
items = db_session.query(Item)\
.filter(Item.created_by==leader_id)\
.all()
rconn.lpush(feed, *[item.id for item in items])
print '%d items added to feed %s' % (len(items), feed)
def remove_leader_from_follower_feed(follower_id, leader_id):
"""
Get all items in follower's feed and filter out leader's
"""
feed = FEED_ID % (follower_id,)
feed_length = rconn.llen(feed)
items = rconn.lrange(feed, 0, feed_length)
removed_count = 0
for i, item_id in enumerate(items):
item = db_session.query(Item).get(Item.id==item_id)
if item.created_by == leader_id:
rconn.lrem(item_id, i - removed_count, leader_id)
removed_count += 1
print '%d items removed from feed %s' % (removed_count, feed)
